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DeepSeek V4 Pro vs GPT-5.1 (batch)

DeepSeek V4 Pro

DeepSeek

87#51
vs
GPT-5.1 (batch)

OpenAI

88#49
Signal-by-Signal Comparison
SignalDeepSeek V4 ProDeltaGPT-5.1 (batch)
Capabilities
67
-33
100
Benchmarks
88
0
88
Pricing
99
+4
95
Context window size
96
+7
89
Recency
100
+14
86
Output Capacity
93
+8
85
Overall Result
4 wins
of 6
2 wins
DeepSeek V4 Pro wins 4 of 6 signals

Score History

Score History (15 data points)
DeepSeek V4 ProGPT-5.1 (batch)
DeepSeek V4 Pro

86.7

current score

Leader

GPT-5.1 (batch)

right now

GPT-5.1 (batch)

87.8

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

DeepSeek V4 Pro

DeepSeek

Best Value
Per request$0.000870
Daily$2.90
Monthly$87.00
Annual$1044.00

GPT-5.1 (batch)

OpenAI

Per request$0.003125
Daily$10.42
Monthly$312.50
Annual$3750.00

DeepSeek V4 Pro saves you $225.50/month

That's $2706.00/year compared to GPT-5.1 (batch) at your current usage level of 100K calls/month.

72% cheaper
Choose DeepSeek V4 Pro for cost optimization

DeepSeek V4 Pro pricing:
Input:$0.43/M tokens
Output:$0.87/M tokens
GPT-5.1 (batch) pricing:
Input:$0.63/M tokens
Output:$5.00/M tokens
DeepSeek V4 Pro

DeepSeek

87

Composite Score

Winner
GPT-5.1 (batch)

OpenAI

88

Composite Score

Signal-by-Signal Comparison
MetricDeepSeek V4 ProGPT-5.1 (batch)Winner
Overall Score
87
88
GPT-5.1 (batch)
Rank#51#49
GPT-5.1 (batch)
Quality Rank#51#49
GPT-5.1 (batch)
Adoption Rank#51#49
GPT-5.1 (batch)
Parameters------
Context Window1049K400K
DeepSeek V4 Pro
Pricing$0.43/$0.87/M$0.63/$5.00/M--
Signal Scores
Capabilities
67
100
GPT-5.1 (batch)
Benchmarks
88
88
GPT-5.1 (batch)
Pricing
99
95
DeepSeek V4 Pro
Context window size
96
89
DeepSeek V4 Pro
Recency
100
86
DeepSeek V4 Pro
Output Capacity
93
85
DeepSeek V4 Pro
Benchmark Head-to-Head(11 benchmarks)
DeepSeek V4: 3GPT-5.1 (batch): 1
DeepSeek V4
GPT-5.1 (batch)
Normalized 0-100%
MMLU
-93.2%
MMLU-Pro
87.5%85%
GPQA Diamond
90.1%86.5%
MATH-500
-93.5%
HumanEval
-96.8%
SWE-bench Verified
80.6%76.5%
IFEval
-92.5%
BBH
-91%
Arena Elo
14631475
LiveBench
-74%
HLE
-23.68%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

DeepSeek V4 ProElite Tier

Scores 87/100 (rank #51), placing it in the top 83% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5.1 (batch)Elite Tier

Scores 88/100 (rank #49), placing it in the top 83% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 1-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose DeepSeek V4 Pro when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose GPT-5.1 (batch) when you need:

  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
DeepSeek V4 ProBest Value
Input cost$0.43/M tokens
Output cost$0.87/M tokens
Cost per quality point$0.015
Est. monthly (1M tokens/day)$19.58
GPT-5.1 (batch)
Input cost$0.63/M tokens
Output cost$5.00/M tokens
Cost per quality point$0.064
Est. monthly (1M tokens/day)$84.38

DeepSeek V4 Pro offers 77% better value per quality point. At 1M tokens/day, you'd spend $19.58/month with DeepSeek V4 Pro vs $84.38/month with GPT-5.1 (batch) - a $64.80 monthly difference.

Latency & Speed
DeepSeek V4 ProFaster
Speed score0/100
GPT-5.1 (batch)
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

DeepSeek V4 Pro

Customer support chatbot

Suitable for user-facing chat with competitive response times. DeepSeek V4 Pro also offers lower per-token costs for high-volume support

DeepSeek V4 Pro

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

DeepSeek V4 Pro

Batch data extraction

Lower output pricing ($0.87/M) reduces costs when processing thousands of records daily

DeepSeek V4 Pro

Creative writing & content

Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.1 (batch)

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-5.1 (batch)
Which Should You Choose?
Our recommendation:
GPT-5.1 (batch)

DeepSeek V4 Pro and GPT-5.1 (batch) are extremely close in overall performance (only 1.0999999999999943 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by DeepSeek

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 77% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
GPT-5.1 (batch)
Recommended

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityDeepSeek V4 ProGPT-5.1 (batch)
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

DeepSeek V4 Pro

DeepSeek

Best Value
$1.83
estimated monthly cost

GPT-5.1 (batch)

OpenAI

$7.13
estimated monthly cost

DeepSeek V4 Pro saves you $5.30/month

That's 74% cheaper than GPT-5.1 (batch) at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterDeepSeek V4 ProGPT-5.1 (batch)
Context Window1.0M400K
Max Output Tokens384,000128,000
Open SourceYesNo
CreatedApr 24, 2026Nov 13, 2025
Last updated: 49m ago

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